such as flex and c

... BTC or BPDC recently attracted great attention 1,4-1.1 1.2 Cu 3 (BTC) 2 , Cu(BDC), Cu 2 (BDC) 2 (DABCO) and Cu 2 (BPDC) 2 (BPY)  Cu3(BTC)2, Cu(BDC), Cu2(BDC)2(DABCO) and Cu2(BPDC)2(BPY) constitute ... (Cu-Cu3(BTC)2, Cu(BDC), Cu2(BDC)2(DABCO) and Cu2(BPDC)2(BPY), which are constructed from copper salts and 1,4-benzenedicarboxylic acid (BDC), 1,3,5-benzenetricarboxylic acid (BTC) and 4,4’-biphenyldicarboxylic ... Figure 2.22 SEM micrograph of the Cu(BDC) 2.4 Conclusion The four Cu-MOFs such as Cu3(BTC)2, Cu2(BDC)2(DABCO), Cu2(BPDC)2(BPY) and Cu(BDC) were successfully synthesized and characterized by PXRD,

Ngày tải lên: 18/06/2015, 17:07

... which were performed in CDCl3 with TBD (triazabicyclo[4,4,0]dec-5-ene) as organic base catalyst It is the first example using aprotic media CDCl3 as deuterium source for H/D exchange reaction ... 82a was selected for the model H/D exchange reaction catalyzed by the chiral bicyclic guanidine catalyst 25 The deuterium incorporation was monitored by 1H NMR and enantioselectivity was checked ... 2.2.2 Optimization studies on asymmetric H/D exchange reaction Scheme 2.6 Chiral bicyclic guanidine 25 catalyzed asymmetric H/D exchange reaction in different conditions 7-Bromo-2-fluoro-3,4-dihydronaphthalen-1(2H)-one

Ngày tải lên: 10/09/2015, 15:51

... 87-99% ee R2CN Scheme 3.3 Direct asymmetric -amination of -cyanoketones Recently, Kim and his co-workers4 reported the direct -amination reaction of cyclic and acyclic -cyanoketones 90 catalyzed ... Trang 1Chapter 3 Enantioselective C-N bond formation reaction catalyzed by chiral bicyclic guanidine Trang 23.1 Introduction The catalytic, enantioselective, direct C-N bond formation reaction ... 2-fluoro-2-phenylacetate 99b was obtained by esterification reaction under strong acid catalyzed conditions Starting material 95 could be activated by cyanuric chloride 96 by the conversion of carboxylic acid

Ngày tải lên: 10/09/2015, 15:51

... by chiral HPLC cThe reaction was carried out at -50 oC in presence of 1.0 equiv Et3N Other Michael acceptors such as β-nitro styrenes, chalcones and acrylates were examined in the Michael reaction ... results in hand, we took the asymmetric Mannich reaction between 82d and 154c as model reaction for solvents and temperature screening It was found that chlorinated solvents such as DCM and DCE resulted ... excellent ee values and good yields The best enantioselectivities were achieved with cyclic aliphatic ketones 141a Moreover, cyclic aromatic ketones 141b and acyclic ketone 141c reacted with 142

Ngày tải lên: 10/09/2015, 15:51

... Experimental Colorless oil LRMS (ESI) m/z 55 1.3 (M+Na+); 5. 5 Protocol for bicyclic guanidine catalyzed asymmetric C- C bond formation reactions and characterization of products Procedures ... Na/benzophenone. MeCN and CHCl3 were distilled from CaH2. MeOH was distilled from Mg. 5.2 Preparation and Characterization of Substrates and catalysts 5.2.1 Preparation and characterization of -fluorinated ... the reaction solvent was removed in vacuo, then crude product was dissolved in MeCN (3 mL), hydrolysis with 10% aqueous HCl (9 mL) for hours. The product was extracted with ethyl acetate, washed

Ngày tải lên: 10/09/2015, 15:51

... remarkable advance in synthetic organic chemistry For enamine catalysis, iminium catalysis, general acid/base catalysis, nucleophilic catalysis and phase-transfer catalysis, most of these orgnic catalysis ... -substituted cyanoacetates,4 and -nitroacetate5 are valuable nucleophiles for organic base-catalyzed reactions because of their enhanced acidity Activated aromatic ketones could be also used as nucleophiles ... the cases (Scheme 1.5) The Michael adducts containing fluorinated quaternary carbons can be converted into useful chiral structural scaffolds with three contiguous stereogenic centers 19 and

Ngày tải lên: 10/09/2015, 15:51

... of Cu3(BTC)2, Cu(BDC), Cu2(BDC)2(DABCO) and Cu2(BPDC)2(BPY) 8 1.2.2 Synthesis of Cu3(BTC)2, Cu(BDC), Cu2(BDC)2(DABCO) and Cu2(BPDC)2(BPY) 13 1.2.3 Characterization of Cu3(BTC)2, Cu(BDC), Cu2(BDC)2(DABCO) ... Cu2(BDC)2(DABCO) and Cu2(BPDC)2(BPY) 15 1.2.4 Catalytic activities of Cu3(BTC)2, Cu(BDC), Cu2(BDC)2(DABCO) and Cu2(BPDC)2(BPY) 21 1.3 CC cross coupling reactions 26 1.4 CN cross coupling reactions ... of Cu3(BTC)2, Cu(BDC), Cu2(BDC)2(DABCO) and Cu2(BPDC)2(BPY) 16 Table 1.4: List of conversion reactions and catalytic reactions used Cu3(BTC)2, Cu(BDC), Cu2(BDC)2(DABCO) and Cu2(BPDC)2(BPY) as

Ngày tải lên: 10/01/2017, 16:33

... B4. To use COUNTIF function Trang 18Please click the advert4 Click in RANGE text box 5 Select the range of cells you wish to check 6 Click in the CRITERIA box, either, type criteria directly in ... wish checked against the criteria 5 Click in the CRITERIA box, either, type criteria directly in the box or select a cell that contains the value you wish to check the range against 6 Click in ... value • You can use the wildcard characters, question mark (?) and asterisk (*), in criteria A question mark matches any single character; an asterisk matches any sequence of characters If you

Ngày tải lên: 25/01/2021, 11:45

... trình: Pascal, C++, Java, Basic, C#, … Excel, MS PowerPoint, Corel Drawn, … Trang 14Một số khái niệm cơ bản Dữ liệu: là các loại số liệu thô chưa được xử lý  Thông tin: là kết quả của quá ... liệu  Kiến thức: (?)  Thuật toán: là một hệ thống chặt chẽ và rõ ràng các qui tắc nhằm xác định một dãy các thao tác, sao cho sau một số bước hữu hạn, một vấn đề được giải quyết  Chương trình: ... Bo mạch chủ (mainboard) • Bộ xử lý trung tâm (CPU: central proccessing Unit) • Thẻ điều khiển (card) • Bộ nhớ chính: RAM, ROM • Bộ nhớ phụ: đĩa cứng (HDD), đĩa mềm (FDD), CD, Tape Trang 6Các thành

Ngày tải lên: 25/01/2021, 12:00

... hệ thống các thiết bị (PC) được nối kết với nhau thông qua các phương tiện truyền dẫn Phương tiện truyền dẫn: • Có dây  Cáp đồng trục (10 – 100Mbps)  Cáp xoắn (100 – 1000 Mbps)  Cáp quang ... Youtube.com  Metacafe.com • Nhật ký điện tử  Blog Trang 8Hệ thống hoạt động trực tuyến• eCommerce, eBusiness • eLearning, eGovernment • GameOnline Máy tính ảo • PC online Xã hội ảo • Cyvee.com ... Địa chỉ (tên miền)  Ví dụ:  Vhqdinh.m2mvn.com/moodle  www.tuoitre.com.vn  www.ueh.edu.vn  Tìm kiếm • www.google.com • www.yahoo.com • www.answers.com • www.wikipedia.com • www.thedictionary.com

Ngày tải lên: 25/01/2021, 12:02

... Art command You can also click on the Audio or Video commands and opt to pick from the Clip Art gallery The second method is to click on the Clip Art icon in a placeholder 2 The Clip Art task ... slide click the From Beginning command To start on the current slide click the From Current Slide command 2 Your computer screen will disappear and a slide show will fill your computer screen ... presentation To create a photo album: 1 Click on the Insert tab 2 Click on the Photo Album command 3 Click on the New Photo Album option 4 Click on the File/Disk command to select pictures you

Ngày tải lên: 25/01/2021, 12:07

... specific price and / or discount. Product value commitment Commit to purchase or sell a specific amount of a product or procurement category The discount is for a specific discount percentage ... the order. Product category value commitment Commit to purchase in a specific procurement category for a specific amount The discount is for a specific discount percent which will be applied ... • Click Line Details • Select the Max is enforced check box • In the Purchase agreement header Fast Tab select Effective in the Status field • Click Close Trang 9Create Release OrderTo create

Ngày tải lên: 25/01/2021, 12:14

... Cancelled The purchase requisition is canceled. Closed The purchase requisition is completed and a purchase order is created. Trang 7Lab 2.1: Create Purchase RequisitionScenario • Ken, the Controller ... forms and list pages for working with purchase orders • Set up purchasing parameters • Create a purchase order and add lines to it • Process a purchase order • Generate a purchase order receipts ... Orders• Create the purchase orders according to the specifications from the scenario and make sure that you confirm the purchase order Trang 27Receipts ListGenerating a receipts list: • Does not change

Ngày tải lên: 25/01/2021, 12:33

... type for the component item. The production is conducted by using a sub contractor This option can also be used for product-type Service and for a sub-BOM. Trang 7General Concepts: Cost EstimationTrang ... First, create a version named Enclosure sides, by-36 inches Because the configuration setting is the cherry/12-same as for item 7001 Enclosure sides - ash/12-by-36 inches click item 7001, make a copy ... department has identified a need for Enclosure sides, with the color cherry instead of the stain ash As the product designer, you are asked to create a BOM item by using the following specifications:

Ngày tải lên: 25/01/2021, 12:36

... chuyên ngành CNTT  Có kiến thức NNLT: C# or Java  Có khả năng phân tích thiết hệ thống  Có kiến thức về Quản trị, Mô hình hoạt động Doanh nghiệp Trang 4Mục tiêu môn học Cung cấp các khái niệm ... Systems and the Sale Orders Proces s  Chương 4 – Production and SCM Information System  Chương 5 – Accounting in ERP System  Chương 6 – Human Resource Process with ERP  Chương 7 – Process Modeling, ... http://blogs.techrepublic.com.com/  http://www.technologyevaluation.com/news/  http://www.cio.com/topic/1447/Enterprise  http://www.idgconnect.com/informationmanagement/bus inessprocess/  Tiêu chí đánh

Ngày tải lên: 25/01/2021, 12:42

... Operation/Infrastructure Support DNS DHCP Tether iPass CISCO VPN MIT ID Kerberos CertificateX509 DirectoryActive Email (Calendar)Techtime Zephyr Mailman Roles DirectoryActive AFS OracleName Service Case ... Service XML Web Service for data retrieved Creating a standardized service interface. Mary Weisse Admin eCommerce Process Credit Card Transaction Service to authorize and charge a credit card ... ActualsCredit card tx from Financial DetailFin Detail Clearing Data Financial CommitmentFinancial Overhead CostsFund Descriptions from CAO's officeBalance Sheet Accounts BalancesFinancial Processing

Ngày tải lên: 25/01/2021, 13:08

... existing classes/componentsNew diagrams built and used to develop corresponding component Typical Class Diagram Editor operations: Create classes, packages, and interfaces Create extends and implements ... process Sequence of documented steps with relevant documentation Displayed in workbench pane Task-related tools are automatically launched or have launch icons in cheat sheet Launched via Help Cheat ... No lengthy compile/build/run steps Pluggable Framework, in-placetool launchingRunning class/code with errors Precise reference searching Text and Java-based JDI-based debugger for local/remote

Ngày tải lên: 25/01/2021, 13:18

... URIs in this specification, it is a lexical convention only URIs are not checked by the processor to ensure they exist. The Namespace specification deals with the mechanics of associating a URI ... is necessary Performance implications Namespace processing may slow down the parser and/or increases memory use Don't use relative URIs for namespace identifiers Pick the default namespace carefully ... XML namespaces, URIs are considered identical when they match character for character If URIs are different, they represent different Namespaces Note: There is no network lookup associated with

Ngày tải lên: 25/01/2021, 13:18

... MappingXML documents are typically stored as large text strings Data types (actual names can be RDBM-specific) include: VARCHAR (Textual character data) CLOB (Single-Byte Character Large Object) DBCLOB ... non-XML, applications? Are you updating the DB from XML? Consider whether your XML document is more data-centric or document-centric. Trang 4Data-centric versus Document-centricNot all documents are ... with SAX Use JDBC to update the database record Java Application Database back end Typical Java-based Database Interchange Solution Trang 7Challenges Mapping to RDB or OODBElement and Attribute

Ngày tải lên: 25/01/2021, 13:18

... Schema Part 2 (3) Newline, tab and carriage-return characters in a normalizedString type are converted to space characters before schema processing (4) As normalizedString, and adjacent space ... a canonical lexical format, see XML Schema Part 2 (3) Newline, tab and carriage-return characters in a normalizedString type are converted to space characters before schema processing (4) As ... normalizedString, and adjacent space characters are collapsed to a single space character, and leading and trailing spaces are removed (5) The "g" prefix signals time periods in the Gregorian calender

Ngày tải lên: 25/01/2021, 13:18